98.5 dB Sensitivity (1W/1m).
For use in pro-sound applications.
Outstanding 98.5dB SPL output.
Ideally suited for medium to large vented enclosures.
Great for ported bass enclosure designs.
Optimised cone pulp offering increased strength, durability and performance.
3-inch Copper voice coil.
Please enquire about alternative impedances.
A.E.S. power handling test. Pink noise bandpass filtered at 12 dB per octave with cutoff frequencies of 40 Hz and 400 Hz. Driver mounted in free air, test signal applied at rated power for two hours.
Please note that the frequency response measurements are supplied for comparison only and are not a measure of the low frequency performance which may be achieved in a fully optimised system.
Electro Acoustic Specifications
Nominal Chassis Diameter 15" / 381 mm
Impedance 4 /8 /16 Ω
Power Handling 600 W (A.E.S.)
Peak Power (6dB Crest Factor) 2400 W (A.E.S.)
Usable Frequency Range (-6dB) 38 Hz - 3.5 kHz
Sensitivity (1W - 1m) Wideband 98.5 dB
Moving Mass (inc. Air Load) 82.39 grams
Minimum Impedance (Zmin) 7 Ω
Effective Piston Diameter 15.03" / 381.76 mm
Magnet Weight 95 oz
Magnetic Gap Depth 0.39" / 10 mm
Flux Density 0.97 Tesla
Coil Winding Height 0.74" / 19 mm
Voice Coil Diameter 3.0" / 76.2 mm
Speaker Type Bass Driver
Speaker Series The Sovereign Series
Program Power 1200 W (A.E.S.)
Sensitivity (1W / 1m) Working band
Thiele Small Parameters (TSPs)
FS 37 Hz
Re 5.4 Ω
QMS 6.28
QES 0.414
QTS 0.389
Vas 236 Litres
Vd 0.556 Litres
CMS 0.228 mm/N
BL 15.9 T/m
MMS 81 grams
Xmax 6.5 mm
Sd 855 cm2
Efficiency 2.83%
Le 1.52 mH
EBP 89.37 Hz
Materials of Construction
Coil Former Material Glass Fibre
Voice Coil Material Copper
Magnet Material Ferrite
Chassis Material Pressed Steel
Cone Material Curvilinear Paper
Surround / Edge Termination Polyvinyl Damped Dbl. Half Roll Poly Cotton
Dust Dome Material Paper
Connectors Solder Tag
Polarity Positive voltage at red terminal causes forward motion of cone
Mounting / Shipping Information
Overall Diameter 15" / 381 mm
Width Across Flats N/A
Flange Height 0.35" / 8.89 mm
Baffle Hole Diameter F/M 13.85" / 351.79 mm
Baffle Hole Diameter R/M 13.85" / 351.79 mm
Gasket Supplied Front & Rear
Outer Fixing Holes 8x ø 6.35 mm on 14.56" / 369.2 mm PCD
Inner Fixing Holes Not Applicable
Depth 6.65" / 168.91 mm
Weight 17.96 lb / 8.15 Kg
Recommended Enclosure Volume 1.76 - 4.41 cu ft / 50 - 125 Litres
Shipping Weight 20.17 lb / 9.4 Kg
Packing Carton Dimensions (W) 410 (D) 410 (H) 210 mm
